Title:
NON-ORIENTED ELECTROMAGNETIC STEEL SHEET AND MOTOR CORE
Document Type and Number:
WIPO Patent Application WO/2023/190621
Kind Code:
A1
Abstract:
The present invention provides: a non-oriented electromagnetic steel sheet which has a chemical composition that contains, in mass%, 0.006% or less of C, 1.0% to 5.0% of Si, less than 2.5% of sol. Al, 3.0% or less of Mn, 0.30% or less of P, 0.010% or less of S, 0.010% or less of N, 0.10% or less of O and optionally another element, with the balance being made up of Fe and impurities, while having an average crystal grain size of 30 µm to 200 µm and a degree of integration of [111] <011> of 2.00 to 8.00 at a position corresponding to 1/4 the sheet thickness from the surface of the steel sheet in the sheet thickness direction; and a motor core which comprises this non-oriented electromagnetic steel sheet.
Inventors:
OTA SHUN (JP)
TANAKA ICHIRO (JP)
TANAKA ICHIRO (JP)
Application Number:
PCT/JP2023/012705
Publication Date:
October 05, 2023
Filing Date:
March 28, 2023
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
International Classes:
C21D8/12; C22C38/00; C22C38/06; C22C38/60; H01F1/147
Domestic Patent References:
| WO2021037061A1 | 2021-03-04 | |||
| WO2001062998A1 | 2001-08-30 | |||
| WO2023008514A1 | 2023-02-02 | |||
| WO2023008513A1 | 2023-02-02 |
Foreign References:
| JP2021165411A | 2021-10-14 |
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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